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July 23, 2016
Posted by **julez** on Saturday, October 29, 2011 at 8:23pm.

f(x)=x^5-5x^4+8x+2

- college algebra -
**Steve**, Monday, October 31, 2011 at 4:58amA little synthetic division will show that all real roots r of f(x) satisfy

-1 < r < 5